Which action could lead to foodborne illness from cross-contamination?
a) thawing meat at room temperature
b) failing to quickly refrigerate cut up fruit
c) eating chicken that is not fully cooked
d) chopping meat and vegetables on the same cutting board

Which test would show positive results for orange juice

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.

How many autosomes are in this human karyotype? how many sex chromosomes?